I've fixed my problem by applying the kernel suggested in [1]
[1] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1846016
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Title:
Kernel
Same on dell Latitude E7470, only appeared after upgrading to eoan.
Still present after installing backport-iwlwifi-dkms
Without backport-iwlwifi-dkms iwconfig showed power management on.
After backport it shows no results.
Wifi still functions but crashes randomly.
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Sorry, forgot to mention that I'm on eoan since yesterday and this error
did not appear in disco
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Title:
Kernel 5.2.0-8: iwlwifi Microcode SW
Getting the same error on an Asus Zenbook UX330
dmesg output is:
[6.324661] iwlwifi :02:00.0: Applying debug destination EXTERNAL_DRAM
[6.475651] iwlwifi :02:00.0: Applying debug destination EXTERNAL_DRAM
[6.556523] iwlwifi :02:00.0: FW already configured (0) -
Does the command iwconfig show power management on/off or no results
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Title:
Kernel 5.2.0-8: iwlwifi Microcode SW error detected Wireless-AC
Comments #11 and #13 refer to bug 1846016, but it seems the main problem
here remains unresolved.
Since you're already running Eoan, which should have the latest firmware
openly available, could you give backport-iwlwifi dkms[1] a try and we
may know if there is some useful un-unpstreamed patch.
I am still having same issue with latest upstrem kernel 5.4-rc3 from
https://kernel.ubuntu.com/~kernel-ppa/mainline/. Hard lockups, does't
matter what parameters/options I pass to the driver.
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It is not resolved for me in 5.3.*
Linux thinkpad 5.3.0-050300rc2-generic #201907281631 SMP Sun Jul 28 20:34:00
UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Only thing that seems to work for me is this: modprobe iwlwifi 11n_disable=1
bt_coex_active=0
Otherwise, machine locks up, I check dmesg and
It looks as though the fix in question is here, @thedarb:
https://github.com/torvalds/linux/commit/39bd984c203e86f3109b49c2a2e20677c4d3ab65
#diff-b6ef73099a107b24fe74fff27007e7d6
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@kaihengfeng: Can you send me a link to the v5.3-rc1 changelog where you
see this is solved, please? I am eager to read it.
Thank you.
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The issue is solved in v5.3-rc1.
Let's wait for eoan kernel switches to v5.3.
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Title:
Kernel 5.2.0-8: iwlwifi Microcode SW error detected
@fattony4
# Copy the broken firmware (46) somewhere else, so we don't lose it, in case we
need it for testing later.
sudo cp -p /lib/firmware/iwlwifi-9260-th-b0-jf-b0-46.ucode /root
# Copy the 43 firmware over top / replacing the 46 firmware:
sudo cp -p
@thedarb
I'm encountering the same error and would like to try your fix, but I don't
understand what to do exactly:
> Moving the 46 firmware out of /lib/firmware and copying the 43
firmware to the 46 firmware's filename and rebooting has allowed me to
have successful wifi. modinfo shows it wants
On Mon, Jul 22, 2019 at 09:45:49PM -, Sultan Alsawaf wrote:
> @sforshee I've actually got the same hardware :)
In that case either one of you can create the upstream bug I suppose.
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@sforshee I've actually got the same hardware :)
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Title:
Kernel 5.2.0-8: iwlwifi Microcode SW error detected Wireless-AC 9260
To manage
@thedarb: To you, since you have the hardware to work with them to
diagnose the problem.
@kerneltoast: Sometimes these firmware crashes look the same but have
different underlying causes, so imo it's better to go ahead and report
it and let the Intel devs sort out whether or not it's actually a
@sforshee upstream is aware of the issue: https://lore.kernel.org/linux-
wireless/s5hr26m9gvc.wl-ti...@suse.de
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Title:
Kernel 5.2.0-8: iwlwifi
@sforshee: Are you referring to me or someone on the ubuntu dev team?
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Title:
Kernel 5.2.0-8: iwlwifi Microcode SW error detected Wireless-AC
Since this seems like a bug in the firmware, you should report this
issue to Intel as described here:
https://wireless.wiki.kernel.org/en/users/drivers/iwlwifi/debugging
Please post a link to the bug here so I can keep track of the status.
Thanks!
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** Package changed: linux-signed (Ubuntu) => linux-firmware (Ubuntu)
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Title:
Kernel 5.2.0-8: iwlwifi Microcode SW error detected Wireless-AC
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-signed (Ubuntu)
Status: New => Confirmed
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Moving the 46 firmware out of /lib/firmware and copying the 43 firmware
to the 46 firmware's filename and rebooting has allowed me to have
successful wifi. modinfo shows it wants 46, but lshw show's it actually
is running version 43.
Please either revert to version 43, or fix 46.
Thank you. :)
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